In any case, and regardless of the length of stay, the traveller must have at least 810 euros or its equivalent in foreign currency.
Do you need cash to enter Spain?
Additional documents you may need for travel to SpainYou may also be asked to prove that you have enough money for your stay. The required amount is roughly €108 per person per day with a minimum of €900 in total. Anyone asked can use cash, cheques, traveller's cheques or bank account statements as proof of funds.